Construct a 95% confidence interval to estimate thepopulation variance using a sample of size n=30 withstandard deviation s=20.05.O a. 263.77 <02 < 751.55O b. 23.39 < 02 < 59.7O c. 59.7 <02 < 23.39O d. 751.55 <02 < 263.77O e. 245.1002 < 778.01O f. 778.01 <02 < 245.10

From the provided information, Sample size (n) = 30 Standard deviation (s) = 20.05 Confidence level…

Answered: Construct a 95% confidence interval to…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Assume that a sample is used to estimate a populatton mean u. Find the 95% confidence interval for a sample of size 45 with a mean of 35.9 and a standard deviation of 16.6. Enter your answer as an open- interval (i.e., parentheses) accurate to 3 decimal places. 95% C.I. The answer should be obtained without any preliminary rounding. Submit Question
The average income for a county in Texas is reported in a study. The margin of error is 767.42. Use a confidence interval of 95%. What is the approximate standard deviation of the sample assuming n = 45? O 4,598.04 O 8,315.63 O 2,574.36 O 2,626.54
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Construct a 95% confidence interval to estimate the population variance using a sample of size n=30 with standard deviation s=20.05. O a. 263.77 <02 < 751.55 O b. 23.39 < 02 < 59.7 O c. 59.7 < 02 < 23.39 O d. 751.55 <02 < 263.77 O e. 245.1002 < 778.01 O f. 778.01 <02 < 245.10